Hello. what you changed on the website and account?
you have an error in
[07-Dec-2015 15:14:31 Europe/Moscow] PHP Notice: Undefined variable: prefix in /home/palma/public_html/templates/zt_mojow25/libs/layouts/default.php on line 123 [07-Dec-2015 15:14:31 Europe/Moscow] PHP Fatal error: Call to undefined function utf8_strpos() in /home/palma/public_html/libraries/joomla/string/string.php on line 171
transferred a website from another account
Check its settings. proverit what would all the files have beaten on the spot